<template>
    <el-dialog :title="!dataForm.id ? '新增' : '修改'" :close-on-click-modal="false" :visible.sync="visible">
        <el-form
            :model="dataForm"
            :rules="dataRule"
            ref="dataForm"
            @keyup.enter.native="dataFormSubmit()"
            label-width="80px"
        >
            <el-form-item label="角色名称" prop="roleName">
                <el-input v-model="dataForm.roleName" placeholder="角色名称"></el-input>
            </el-form-item>
            <el-form-item label="备注" prop="remark">
                <el-input v-model="dataForm.remark" placeholder="备注"></el-input>
            </el-form-item>
            <el-form-item size="mini" label="授权">
                <el-tree
                    :data="menuList"
                    :props="menuListTreeProps"
                    node-key="menuId"
                    ref="menuListTree"
                    :default-expand-all="true"
                    show-checkbox
                >
                </el-tree>
            </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
            <el-button @click="visible = false">取消</el-button>
            <el-button type="primary" @click="dataFormSubmit()">确定</el-button>
        </span>
    </el-dialog>
</template>

<script>
import { treeDataTranslate } from '@/utils';
export default {
    data() {
        return {
            visible: false,
            menuList: [],
            menuListTreeProps: {
                label: 'name',
                children: 'children',
            },
            dataForm: {
                id: 0,
                roleName: '',
                remark: '',
            },
            dataRule: {
                roleName: [{ required: true, message: '角色名称不能为空', trigger: 'blur' }],
            },
            tempKey: -666666, // 临时key, 用于解决tree半选中状态项不能传给后台接口问题. # 待优化
        };
    },
    methods: {
        init(id) {
            this.dataForm.id = id || 0;
            this.$http({
                url: this.$http.adornUrl('/sys/menu/list'),
                method: 'get',
                params: this.$http.adornParams(),
            })
                .then(({ data }) => {
                    this.menuList = treeDataTranslate(data, 'menuId');
                })
                .then(() => {
                    this.visible = true;
                    this.$nextTick(() => {
                        this.$refs['dataForm'].resetFields();
                        this.$refs.menuListTree.setCheckedKeys([]);
                    });
                })
                .then(() => {
                    if (this.dataForm.id) {
                        this.$http({
                            url: this.$http.adornUrl(`/sys/role/info/${this.dataForm.id}`),
                            method: 'get',
                            params: this.$http.adornParams(),
                        }).then(({ data }) => {
                            if (data && data.code === 0) {
                                this.dataForm.roleName = data.role.roleName;
                                this.dataForm.remark = data.role.remark;
                                var idx = data.role.menuIdList.indexOf(this.tempKey);
                                if (idx !== -1) {
                                    data.role.menuIdList.splice(idx, data.role.menuIdList.length - idx);
                                }
                                this.$refs.menuListTree.setCheckedKeys(data.role.menuIdList);
                            }
                        });
                    }
                });
        },
        // 表单提交
        dataFormSubmit() {
            this.$refs['dataForm'].validate(valid => {
                if (valid) {
                    this.$http({
                        url: this.$http.adornUrl(`/sys/role/${!this.dataForm.id ? 'save' : 'update'}`),
                        method: 'post',
                        data: this.$http.adornData({
                            roleId: this.dataForm.id || undefined,
                            roleName: this.dataForm.roleName,
                            remark: this.dataForm.remark,
                            menuIdList: [].concat(
                                this.$refs.menuListTree.getCheckedKeys(),
                                [this.tempKey],
                                this.$refs.menuListTree.getHalfCheckedKeys(),
                            ),
                        }),
                    }).then(({ data }) => {
                        if (data && data.code === 0) {
                            this.$message({
                                message: '操作成功',
                                type: 'success',
                                duration: 1500,
                                onClose: () => {
                                    this.visible = false;
                                    this.$emit('refreshDataList');
                                },
                            });
                        } else {
                            this.$message.error(data.msg);
                        }
                    });
                }
            });
        },
    },
};
</script>
